Question
The rank of the matrix $\left(\begin{array}{rrr}2 & -1 & -3 \\ -4 & 2 & 6 \\ -10 & 5 & 15\end{array}\right)$ is(A) 0(B) 1(C) 2(D) 3
Step 1
This can be done by performing a series of row operations. The given matrix is \[ \begin{pmatrix} 2 & -1 & -3 \\ -4 & 2 & 6 \\ -10 & 5 & 15 \end{pmatrix} \] Show more…
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